AIR TRAFFIC LIABILITY SERVICES AND LOYALTY PROGRAM (Details) - BRL (R$) R$ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of air trafic liability [Line Items] | ||
| Air traffic liability, services and loyalty program | R$ 6,262,690 | R$ 6,240,689 |
| Air traffic liability | ||
| Disclosure of air trafic liability [Line Items] | ||
| Air traffic liability, services and loyalty program | 3,233,757 | 3,207,735 |
| Loyalty program | ||
| Disclosure of air trafic liability [Line Items] | ||
| Air traffic liability, services and loyalty program | 2,973,271 | 2,922,070 |
| Travel packages | ||
| Disclosure of air trafic liability [Line Items] | ||
| Air traffic liability, services and loyalty program | 925,649 | 1,047,547 |
| Air traffic cargo | ||
| Disclosure of air trafic liability [Line Items] | ||
| Air traffic liability, services and loyalty program | 33,426 | 22,768 |
| Breakage | ||
| Disclosure of air trafic liability [Line Items] | ||
| Air traffic liability, services and loyalty program | R$ (903,413) | R$ (959,431) |